| an evolving pattern of human hydatid disease transmission in the united states. | echinococcus granulosus infection was being acquired in the contiguous united states by virginia sharecroppers and small-holders by the turn of the century. the last recorded human infection from that general area was diagnosed in 1947. by 1920 human infections were also being acquired in the lower mississippi valley. apparently, infection in both of these areas was maintained chiefly in swine. by 1940 a third transmission area definitely existed in the central valley of california, with its res ... | 1977 | 329700 |
| the occurrence of echinococcus granulosus in coyotes (canis latrans) in the central valley of california. | | 1970 | 5534027 |
| prevalence of echinococcus granulosus hydatid in california deer. | | 1970 | 5534029 |
| probable transmission of echinococcus granulosus between deer and coyotes in california. | | 1974 | 4844505 |
| imported echinococcosis in southern california. | a retrospective chart review conducted at two teaching hospitals in los angeles county identified 28 patients with infection due to echinococcus granulosus diagnosed by positive echinococcal serology and/or tissue biopsy between january 1981 and december 1990. of these patients, 25 (89%) were foreign born and 19 (68%) were immigrants from the middle east or central asia. only 12 of 22 immigrants questioned about epidemiologic risk factors described a history of rural residence or direct exposure ... | 1995 | 8561274 |